Nick Mullen and Vernon Bayliss are reporters who receive an anonymous tip-off that a political scandal is about to break. MP Dennis Markham a friend of Vernon's is photographed leaving a call girl's flat and two hours later an East German military attache is photographed going in. Whilst Nick delves into Markham's affairs Vernon is interested in a different angle. When Vernon suddenly dies Nick begins to realise that the story goes far deeper than anyone imagined and that he is now very definitely in over his head...